Reset release notes after v0.26.0 release (#1372) #5017

Job	Run time
Build monitoring image	1m 30s
Unit tests	3m 13s
Repository hygiene	1m 47s
uss_qualifier configurations.dev.generate_rid_test_data tests / uss_qualifier-generate_rid_test_data-test test	2m 5s
mock_uss tests / mock_uss test	53s
uss_qualifier configurations.dev.geoawareness_cis tests / uss_qualifier-geoawareness_cis-test test	1m 57s
uss_qualifier configurations.dev.noop tests / uss_qualifier-noop-test test	1m 53s
uss_qualifier configurations.dev.netrid_v19 tests / uss_qualifier-netrid_v19-test test	8m 47s
uss_qualifier configurations.dev.netrid_v22a tests / uss_qualifier-netrid_v22a-test test	9m 8s
uss_qualifier configurations.dev.utm_implementation_us tests / uss_qualifier-utm_implementation_us-test test	3m 25s
uss_qualifier configurations.dev.geospatial_comprehension tests / uss_qualifier-geospatial_comprehension-test test	1m 50s
uss_qualifier configurations.dev.f3548_self_contained tests / uss_qualifier-f3548_self_contained-test test	3m 22s
uss_qualifier configurations.dev.minimal_probing tests / uss_qualifier-minimal_probing-test test	2m 13s
uss_qualifier configurations.dev.message_signing tests / uss_qualifier-message_signing-test test	2m 55s
uss_qualifier configurations.dev.dss_probing tests / uss_qualifier-dss_probing-test test	4m 18s
uss_qualifier configurations.dev.general_flight_auth tests / uss_qualifier-general_flight_auth-test test	2m 0s
prober tests / prober test	1m 22s
uss_qualifier configurations.dev.uspace tests / uss_qualifier-uspace-test test	10m 30s
Publish GitHub Pages	37s
	1h 3m 45s

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